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Calendar
BugGuide Gathering
Pack Forest
Washington State
July 10-12, 2009
Details...

Photos from the 2008 gathering in Tennessee
 
Photos from the 2007 gathering in Minnesota

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Family Cimbicidae - Cimbicid Sawflies

Cimbicid - Zaraea Trichiosoma - Trichiosoma triangulum Metallic bee - Zaraea Cimbicid Sawfly - Trichiosoma Hymenoptera or mimic?  Ontario Canada - Cimbex americana Wasp or Fly? - Cimbex americana Wasp or Fly? - Cimbex americana Cimbex americana
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Sawflies, Horntails, and Wood Wasps)
Family Cimbicidae (Cimbicid Sawflies)
Numbers
Nearctica.com lists 3 genera: Cimbex Olivier 1790 (4 spp.), Trichiosoma Leach 1817 (4 spp.), Zaraea Leach 1817 (4 spp.)
Arnett (1) and Insects of Cedar Creek lists 12 species.
Size
15-25 mm
Identification
Adults robust, resemble bumble bees. Base of abdomen broadly joined to thorax (no wasp waist). Antennae have seven or fewer segments, slightly clubbed.

Larvae eruciform (caterpillar-shaped, i.e., cylindrical, with well-devloped head and legs).
Life Cycle
Larvae typically feed on foliage of trees and shrubs. Hosts include: Cimbex--Elm (Ulmus), Zaraea--Honeysuckle (Lonicera), Trichiosoma--Cherry (Prunus).
Print References
Arnett, p. 542 (1)
Internet References
Univ. Florida--ENY 3005
North Carolina State University Entomology Collection lists Cimbex americana (6 pinned) and Trichiosoma triangulum (1 pinned).